How do COVID vaccines stimulate an immune response?
Q. How do COVID vaccines stimulate an immune response? (A) By introducing live attenuated SARS-CoV-2 virus (B) By introducing a real SARS-CoV-2 virus (C) By introducing a harmless piece of SARS-CoV-2 virus (D) By introducing antibodies against SARS-CoV-2 virus Answer: A To trigger an immune response, many vaccines put a weakened or inactivated germ into … Read more